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<1…17181920212223…34>
  • New Spectrum User - Inveterate UpgraderI've been asking a few questions about my Speccy, which is the first I've owned despite my advancingh years. I was a C64 kid, but please don't hold …

    ... />
    Since old or failed capacitors can sometimes induce failure of ... , the received wisdom is to replace all capacitors to avoid this, or ... .

    As far as capacitors go, axial replacements are still ...
    balford balford July 2014 Hardware
  • New Spectrum User - Inveterate UpgraderI've been asking a few questions about my Speccy, which is the first I've owned despite my advancingh years. I was a C64 kid, but please don't hold …

    ... the same way that electrolytic capacitors age. As Mr B says ... , there is no need to replace or renew them.

    1024MAK 1024MAK July 2014 Hardware
  • AAAARRRRR DIV-MMC ENJOY againIve recently been posting trying to get to the bottom of problems with my +48 not working with this rechid addon.Now ive finaly worked out theres not…

    ... Im going to replace TR4 (a ZTX650, but replace with a ZTX651 ... much power and the +128 just couldn`t supply it ... assuming that the whole +128 power supply circuit is ok ... fixes it i will again replace with new parts i ... might even replace the caps as i ...
    zedexspectrum zedexspectrum July 2014 Hardware
  • +128 with usr0 in menu screenIve just watched a video of a guy with a spectrum and on the loader menu i think under calculator the menu had an entry for usr0,anyone aware of this…

    ... is if you want to replace the version of the BASIC ... a minor change to the 128 editor ROM. You lose the ...
    chev chev July 2014 Emulators
  • Toastrack refurbishmentYesterday I opened a drawer in my old desk and discovered 2 complete toastrack 128s and a board only for the same. As I already have a fully working…

    ... />
    I'd replace any original/old electrolytic capacitors to guard against ...
    Zorn Zorn July 2014 Hardware
  • Toastrack refurbishmentYesterday I opened a drawer in my old desk and discovered 2 complete toastrack 128s and a board only for the same. As I already have a fully working…

    ... also find some low value capacitors to help and together they ... thing, but I had to replace the wires leading to it ...
    1024MAK 1024MAK July 2014 Hardware
  • ZX Spectrum 48K AV IssueOK so I dugout my old 48K Speccy today and decided to AV mod it. I did the mod (pretty easy) but the picture I am getting is this. [url=http://posti…

    ... they still fail, then replace the electrolytic capacitors (video [URL="https://www ... remove IC6 to IC13 and replace with sockets, then verify by ...
    balford balford July 2014 Hardware
  • ZX Spectrum 48K AV IssueOK so I dugout my old 48K Speccy today and decided to AV mod it. I did the mod (pretty easy) but the picture I am getting is this. [url=http://posti…

    ... /ZTX653, and renew the electrolytic capacitors at the same time. Then ... be in a position to replace the failed 4116's with ...
    balford balford July 2014 Hardware
  • ZX Spectrum 48K AV IssueOK so I dugout my old 48K Speccy today and decided to AV mod it. I did the mod (pretty easy) but the picture I am getting is this. [url=http://posti…

    ... replacement electrolytic capacitors
    Buy some ZTX651 transistors to replace TR4< ... okay.
    If not, replace it. BUT NOTE that the ... ).

    Next replace the electrolytic capacitors, fit the 16 pin ... a new ZTX651 transistor to replace TR4. Don't fit ...
    1024MAK 1024MAK July 2014 Hardware
  • Help put this back to 16kSo this issue 2 arrived today and ive opened it up just to nosey and confirm that infact it is an issue 2. Now from the help offered in an earlier po…

    ... circuit is switched off and capacitors have had time to discharge ... be faulty.

    - Replace all electrolytic capacitors.

    - Repeat the ...
    Zorn Zorn August 2014 Hardware
  • Convert usb keypad to work on +128I picked up a cheap usb keypad yesterday and dimensions wise its pretty much identical to the keypad for the +128 spectrum,and that got me thinking i…

    ... to the keypad for the +128 spectrum,and that got me ... it you'll want to replace the ROMs with the debugged ...
    chev chev August 2014 Hardware
  • 1-resistor fix to +3 sound distortion issue - any feedback?I decided - with my Dad's help, since I am little less than a butcher when it comes to soldering - to fix my +3 sound issue. I noticed the less invas…

    ... />
    Remove 100nF capacitor C37. Replace with 4.7nF

    capacitors like C38 to couple them ...
    rga24 rga24 August 2014 Hardware
  • Composite picture qualityI have read many many discussions here about the composite video modification of the Spectrum 16/48K models. I have choosen one of the simplest comp…

    ... anyone tried uprating the decoupling capacitors on a toastrack?

    replace the 7805 with a newer ...
    Trafferth Trafferth August 2014 Hardware
  • Next step for fixing my speccy?Hi guys, I've picked up my faulty Spectrum aiming to fix it. So I followed the excellent JouledperCoulomb videos on Youtube for the basics and I am …

    ... thing - CHANGE all the electrolytic capacitors - with respect, if you don ... a volt. At this stage, replace TR4/TR5 if you don ...
    DEATH DEATH August 2014 Hardware
  • Next step for fixing my speccy?Hi guys, I've picked up my faulty Spectrum aiming to fix it. So I followed the excellent JouledperCoulomb videos on Youtube for the basics and I am …

    ... thing - CHANGE all the electrolytic capacitors - with respect, if you don ... a volt. At this stage, replace TR4/TR5 if you don ...
    Spekkie Spekkie August 2014 Hardware
  • Next step for fixing my speccy?Hi guys, I've picked up my faulty Spectrum aiming to fix it. So I followed the excellent JouledperCoulomb videos on Youtube for the basics and I am …

    If you've renewed the capacitors, and the 12v rail looks ... next step, I wouldn't replace the 4116's without this ...
    balford balford August 2014 Hardware
  • I have returned! This time with no tape problems!Hello all. Some of you may remember me from about a month or so ago with this little spawn of satan... :lol: [IMG]http://www.ridgedpixel.co.uk/proj…

    ... already done would be to replace the capacitors on the 48k. Nothing ...
    balford balford August 2014 Sinclair Miscellaneous
  • I have returned! This time with no tape problems!Hello all. Some of you may remember me from about a month or so ago with this little spawn of satan... :lol: [IMG]http://www.ridgedpixel.co.uk/proj…

    ... /> Could you tell me which capacitors to switch out and also ... newer cap would be to replace them with?

    I ... also plan to replace the regulator as Zorn told ...
    dreamscape dreamscape August 2014 Sinclair Miscellaneous
  • C46 Capacitor MarkingHi all I've just watched this part of this video: [url]http://www.youtube.com/watch?v=TeCVt2T-YSo&t=17m0s[/url] And he says the marking is incorrec…

    ... 've just installed all the capacitors and I was waiting for ... (although i still need to replace D13 so it won't ...
    dreamscape dreamscape September 2014 Hardware
  • Faulty 48+ Help NeededHi, This is what I get when I plug in the spectrum, this is tuned in. Vid shows a reset. Any ideas, or pointers on the first thing to check. Keyboa…

    ... the next step is to replace TR4. Use a ZTX651.
    replace at least some of the old electrolytic capacitors at ... capacitor can replace a lower voltage type. Most electrolytic capacitors fitted to ...
    1024MAK 1024MAK September 2014 Hardware
  • 'Interesting' Issue 2 modSo I've been lurking on this forum for a while and I've got to the point where I want to see if I can repair a speccy.. so I bought me a 'broken' one…

    ... /> The capacitors will be easy enough if I want to replace them ...
    blueowl0708 blueowl0708 September 2014 Hardware
  • 'Interesting' Issue 2 modSo I've been lurking on this forum for a while and I've got to the point where I want to see if I can repair a speccy.. so I bought me a 'broken' one…

    ... games ;)) and I will replace the remaining capacitors at some point but ...
    blueowl0708 blueowl0708 September 2014 Hardware
  • Noob repairs of an S2 and S6AI received two Spectrums a Series 2 and a Series 6A both of which are not working. I don't know anything about electronics so thought my lad and I wo…

    ... to have leaked I would replace it before doing anything else ... 48K board I'd replace all electrolytic capacitors before running it for ...
    balford balford September 2014 Hardware
  • ZX resurrectionHi, I'm currently trying to resurrect my old zx spectrum 48k. I managed to fetch proper power supply and tv cables and was pleased to discover that i…

    ... , it is advisable to replace the electrolytic capacitors, as they are now ...
    ramsrc ramsrc November 2014 Sinclair Miscellaneous
  • Spectrum +2 QuickyI've got Spectrum +2 (grey case) and I've just been reading online a vague article about a problem where Amstrad put components on the mainboard the …

    ... ]

    I usually replace the electrolytic capacitors in a +2 if ...
    Zorn Zorn November 2014 Hardware
  • ZX resurrectionHi, I'm currently trying to resurrect my old zx spectrum 48k. I managed to fetch proper power supply and tv cables and was pleased to discover that i…

    ... , it is advisable to replace the electrolytic capacitors, as they are now ... the capacitors I think I would make more damages trying to replace ...
    v@speccy v@speccy November 2014 Sinclair Miscellaneous
  • ZX SPECTRUM REFURBHi, I have an old ZX Spectrum here that I want to fix up cosmetically, the machine seems to be fully operational so I wouldn't want to mess around in…

    ... /old electrolytic capacitors then I recommend you or someone replace them. They ...
    Zorn Zorn November 2014 Hardware
  • ZX SPECTRUM REFURBHi, I have an old ZX Spectrum here that I want to fix up cosmetically, the machine seems to be fully operational so I wouldn't want to mess around in…

    ... be a good idea to replace the keyboard membrane before ... to know whether the electrolytic capacitors should be replaced. I' ... the health of the existing capacitors, but they aren't ... high quality modern axial replacement capacitors and so the original look ...
    Zorn Zorn November 2014 Hardware
  • ZX SPECTRUM REFURBHi, I have an old ZX Spectrum here that I want to fix up cosmetically, the machine seems to be fully operational so I wouldn't want to mess around in…

    ... a good idea to replace the keyboard membrane ... know whether the electrolytic capacitors should be replaced. ... quality modern axial replacement capacitors and so the original ... so I might not replace any of the innards ... lifted may as well replace that part for ...
    Jaye Jaye November 2014 Hardware
  • +2 Grey - low 128k sound volumeI'm trying to revive my old grey +2.... First problem was a faulty RF signal, so I bought a SCART cable from Retro Computer Shack on e-bay (it's the…

    ... corrected. This is a grey 128 +2 issue 3 and I ... to fix would be to replace three resistors, as shown on ...
    schombi schombi December 2014 Hardware
<1…17181920212223…34>

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